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There's no such thing as a new body of water thanks to Humminbird®'s new third-generation HELIX 12 CHIRP MEGA DI+ GPS G3N Fish Finder. HELIX features Dual Spectrum CHIRP sonar, powered by a proprietary Low Q CHIRP transducer, to help you clearly see individual fish, identify structure, and reach greater depths and range. Choose between Wide Mode for viewing bigger and better fish arches, and Narrow Mode for maximizing detail and target separation.

And new to the HELIX 12 is MEGA Down ImagingTM for unprecedented underwater clarity with coverage extending 200' below your boat with up to 20% more output than standard Down Imaging sonar. You'll see it all on the ultra-wide 12" display with ample room for viewing pre-loaded split screen options.

Take command of how your sonar returns appear with exclusive Humminbird® SwitchFireTM Sonar. With two display modes (Clear and Max), you can adjust to your fishing conditions on the fly. Clear Mode is great for rough or shallow waters 8' or less, delivering noise-free returns for clearer images of fish and structure. Max Mode offers maximum detail, showing you structure, fish, thermoclines and water currents. You can also see bait and your jigging action to help improve your lure presentation.

Built-in cartography. And access to premium add-on cartography.

Built-in Humminbird Basemap provides depth for more than 10,000 lakes, so you can confidently fish right out of the box. Identify buoys, day markers, hazards, marinas, contours, depth markers and more. And create your "Map-sterpiece" with AutoChart® Live. AutoChart® Live lets you easily create fishing maps in real time. With access to patented Humminbird® LakeMaster® features and 8-hour recording time, you can map out depth contours, bottom hardness, and vegetation as you drive your boat.

Plus, this unit is LakeMaster-compatible, letting you upgrade easily to the unrivaled accuracy and detail of Humminbird LakeMaster cartography. From easy-to-read contours, to highlighted depth ranges, to scrollable lake lists, you'll have all the tools you need to make every moment count. The HELIX 12 G3N Fish Finder includes everything you need to fish right out of the box.

Ethernet Networking and Bluetooth® Connectivity

Build a powerful, professional-grade fishing system with ethernet networking. Easily connect multiple fish finders, or upgrade to add-on technologies like Minn Kota i-Pilot Link, 360 Imaging and CHIRP Radar. And Bluetooth® Connectivity lets you make wireless software updates from the Humminbird FishSmart App. Or take control of your most-used features by pairing it with an optional Bluetooth remote (RC2).